CN110086000A - A kind of wide bandwidth scan angle phased array antenna - Google Patents
A kind of wide bandwidth scan angle phased array antenna Download PDFInfo
- Publication number
- CN110086000A CN110086000A CN201910406955.XA CN201910406955A CN110086000A CN 110086000 A CN110086000 A CN 110086000A CN 201910406955 A CN201910406955 A CN 201910406955A CN 110086000 A CN110086000 A CN 110086000A
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- China
- Prior art keywords
- layer
- antenna
- array
- paster antenna
- dielectric layer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
- H01Q13/106—Microstrip slot antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
- H01Q21/064—Two dimensional planar arrays using horn or slot aerials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
- H01Q21/293—Combinations of different interacting antenna units for giving a desired directional characteristic one unit or more being an array of identical aerial elements
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The present invention provides a kind of wide bandwidth scan angle phased array antenna, including dielectric layer, metal ground layer, installation aluminum layer, several SMP connectors and several paster antenna layers；Metal ground layer is set between dielectric layer and installation aluminum layer, paster antenna layer is set to dielectric layer upper surface and rearranges array by triangle grid, U-shaped gap is arranged in each paster antenna layer surface, SMP connector is set in aluminium sheet, and the outer layer metal of every SMP connector is connected with metal ground layer and inner core passes through dielectric layer and connects with corresponding paster antenna layer.
Description
Technical field
The present invention relates to a kind of microwave antenna art, especially a kind of wide bandwidth scan angle phased array antenna.
Background technique
Phased array antenna is made of a large amount of independent antenna elements.Its antenna pattern is by each array element exciting current
Amplitude and phase determine.Compared with traditional mechanical scanning array, the advantage of phased array antenna is can be every by changing
The amplitude and phase of a array element excitation, realize flexibly quickly beam position switching.Switching time can reduce only several milliseconds,
It is even less.Nowadays, phased array antenna develops to the Scanning Phased Array Antenna with Broadband stage, can satisfy broadband, big
The requirement such as beam scanning range.
It realizes that broadband and wideangle phased-array technique is needed using suitable phased array wide element antenna, and makes active cell side
Has wider beam angle to figure.The main Types for having the element antenna of such performance have slot antenna, open wave guide groove
Stitch antenna, broad beam microstrip antenna, multiple-layered patches antenna and dipole antenna etc..In the antenna of above numerous types, wave
It leads bore array element and is easily achieved large-angle scanning, however narrower bandwidth.Taper slot antenna unit bandwidth and wave beam are all wider, but section
Height is more heavy.Microstrip antenna section is lower, at low cost, is easy to and the system integration.How design bandwidth is wider, scanning angle
Bigger microstrip antenna array is still problem to be solved.
Summary of the invention
The purpose of the present invention is to provide a kind of wide bandwidth scan angle phased array antenna, including dielectric layer, metal ground layer, peace
Fill aluminum layer, several SMP connectors and several paster antenna layers；Metal ground layer, patch are set between dielectric layer and installation aluminum layer
Antenna stack is set to dielectric layer upper surface and rearranges array by triangle grid, and U-shaped seam is arranged in each paster antenna layer surface
Gap, SMP connector are set in aluminium sheet, the outer layer metal of every SMP connector connect with metal ground layer and inner core pass through dielectric layer with
Corresponding paster antenna layer connection.
Using above-mentioned wide bandwidth scan angle phased array antenna, the exciting current of each paster antenna layer have different amplitude and
Phase.
Using above-mentioned wide bandwidth scan angle phased array antenna, the U-shaped gap size for adjusting paster antenna layer and position are to change
The working frequency of change of weather line.
Using above-mentioned wide bandwidth scan angle phased array antenna, the feed position of inner core and paster antenna layer junction is adjusted
To change the bandwidth of operation of antenna.
Using above-mentioned wide bandwidth scan angle phased array antenna, inner core and the feed position of paster antenna layer junction are endless
It is exactly the same.
Compared with prior art, the present invention having the advantage that (1) U-shaped gap microband antenna unit of the invention, use
The structure that U-type groove is etched on microband paste, effectively realizes the promotion of bandwidth；(2) U-shaped gap microstrip antenna phase of the invention
It controls battle array and array element number is effectively reduced by the arrangement mode of triangle grid, reduce cost；(3) U-shaped gap of the invention
Microstrip antenna phased array section is low, is easy to and the system integration, application are strong.
The invention will be further described with reference to the accompanying drawings of the specification.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is U-shaped gap microband antenna unit schematic diagram of the invention；
Fig. 3 is the structural schematic diagram of U-shaped Microstrip patch antenna layer of the invention；
Fig. 4 is the structural schematic diagram that U-shaped gap microstrip antenna SMP connector of the invention is installed；
Fig. 5 is the active standing wave of U-shaped gap microstrip antenna infinity array of the invention；
Fig. 6 is seven array element small array structural schematic diagram of U-shaped gap microstrip antenna of the invention；
Fig. 7 is the directional diagram of seven Yuan little array center array elements of the invention；
Fig. 8 is the antenna gain of seven Yuan little array center array elements of the invention
Specific embodiment
In conjunction with Fig. 1, Fig. 2, a kind of wide bandwidth scan angle phased array antenna, including dielectric layer 2, metal ground layer 3, installation aluminium sheet
Layer 4, several SMP connectors 7 and several paster antenna layers 1；Metal ground layer 3, patch are set between dielectric layer 2 and installation aluminum layer 4
Antenna stack 1 is set to 2 upper surface of dielectric layer and rearranges array by triangle grid, and each 1 surface of paster antenna layer setting is U-shaped
Gap, SMP connector 7 are set in aluminium sheet, and the outer layer metal of every SMP connector 7 is connect with metal ground layer 3 and inner core 6 passes through and is situated between
Matter layer 2 is connected with corresponding paster antenna layer 1.Every SMP connector 7 and corresponding paster antenna layer 1 constitute an element antenna.
In conjunction with Fig. 1, the U-shaped gap micro-strip antenna array in the present embodiment includes 172 array elements, totally 16 row, capable and row
Between according to triangle grid rearrange array.From the array number of the 1st row to the 16th row, respectively 4,8,10,12,12,12,14,
14,14,12,12,12,10,8,4,172 element antennas correspond to 172 ports altogether, and each element antenna structure is identical, ruler
It is very little identical.The circle formation shape of aerial array covers and using the center of array as origin including all array elements.Bay spacing
It requires to determine by the working frequency and scanning of antenna.
In conjunction with Fig. 3, the rectangular patch for etching U-type groove is as shown in Figure 3.Antenna medium uses the medium base of Rogers 3003
Plate, dielectric constant 3.0.By changing the size of patch, the length in U-shaped gap and position, the work frequency of adjustable antenna
Rate.Pass through width and the position of feeding point etc. for changing gap, the bandwidth of operation of adjustable antenna.
In conjunction with Fig. 4, SMP connector 7 is mounted in aluminium sheet, and outer layer metal is connect with metal ground layer, and inner core 6 passes through dielectric layer 2
It is connect with paster antenna layer 1.It is welded and is welded by tin cream between antenna medium layer 2 and installation aluminium sheet 4.
Simulation calculation is carried out to the antenna using electromagnetic simulation software HFSS, first verifies that the active standing wave of infinitely great array
Characteristic, as shown in Figure 5.Wherein, curve E plane, H plane and D plane be antenna array respectively E, H, D Surface scan extremely
Active standing wave at 45 °.As shown in Figure 5, U-shaped gap infinity array bandwidth in the case where extremely ± 45 ° of three Surface scans is
8.14-11.59GHz (face E), 8.30-12GHz (face D) and 8.50-11.34GHz (face H).Whole available frequency band is 8.50-
11.34GHz, bandwidth 2.84GHz, active standing wave is respectively less than 2 in this frequency range.
Next, which emulates and processes, demonstrates the small-sized round battle array of seven array elements, as shown in Figure 6.Fig. 7 is the direction of center array element
The comparison of figure the simulation results, Fig. 8 are that the antenna gain the simulation results of center array element compare.As seen from the figure, center array element
It is respectively 115 ° and 105 ° in the 3dB beam angle that the face E and the face H measure, cross polarization is less than -30dB.Increasing in working frequency range
Benefit is higher than 5.5dB.Test result and simulation result coincide well, demonstrate the reliability of design.
Antenna element uses the U-shaped gap microstrip antenna in the simple broadband of structure in the present invention, and radiation signal passes through coaxial
Feeding classification is radiate from microband paste.The U-shaped gap of etching increases current length, has effectively expanded bandwidth.Antenna array
Column are made of 172 bays, are arranged into 16 rows according to triangle grid.Exciting current at each element antenna port has not
Same amplitude and phase reach the requirement of phased array beam scanning so that antenna array radiation goes out the directional diagram being differently directed.It is micro-
Metal aluminum sheet below dielectric layer with antenna element is installed all SMP and is coaxially connect entire aerial array is fixedly mounted
Head.The earth plate of antenna medium bottom connects in such a way that tin cream welds with metal aluminum sheet, ensure that ground connection performance.The present invention mentions
The U-shaped gap microstrip antenna phased array supplied has the characteristics that low with wide, section and is easily integrated, while the array is according to triangle
Grid arrangement reduces the number of array element relative to rectangular grid arrangement, reduces production cost, SMP interface also facilitates and T/R
Docking.The antenna can be widely used in phased array system.
Claims (5)
1. a kind of wide bandwidth scan angle phased array antenna, which is characterized in that including dielectric layer (2), metal ground layer (3), installation aluminium
Plate layer (4), several SMP connectors (7) and several paster antenna layers (1)；Wherein
Metal ground layer (3) are set between dielectric layer (2) and installation aluminum layer (4),
Paster antenna layer (1) is set to dielectric layer (2) upper surface and rearranges array, each paster antenna layer by triangle grid
(1) U-shaped gap is arranged in surface,
SMP connector (7) is set in aluminium sheet,
The outer layer metal of every SMP connector (7) is connected with metal ground layer (3) and inner core (6) passes through dielectric layer (2) and corresponding patch
Chip antenna layer (1) connection.
2. antenna according to claim 1, which is characterized in that the exciting current of each paster antenna layer (1) has different
Amplitude and phase.
3. antenna according to claim 1, which is characterized in that the U-shaped gap size of adjustment paster antenna layer (1) and position
To change the working frequency of antenna.
4. antenna according to claim 1, which is characterized in that the feedback of adjustment inner core (6) and paster antenna layer (1) junction
Electricity puts position to change the bandwidth of operation of antenna.
5. according to antenna described in above-mentioned any claim, which is characterized in that including the 172 and altogether paster antenna of totally 16 rows
Layer (1), it is capable to rearrange array according to triangle grid between row, from the array number of the 1st row to the 16th row, respectively 4,8,
10,12,12,12,14,14,14,12,12,12,10,8,4。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910406955.XA CN110086000A (en) | 2019-05-15 | 2019-05-15 | A kind of wide bandwidth scan angle phased array antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910406955.XA CN110086000A (en) | 2019-05-15 | 2019-05-15 | A kind of wide bandwidth scan angle phased array antenna |
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| Publication Number | Publication Date |
|---|---|
| CN110086000A true CN110086000A (en) | 2019-08-02 |
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| CN201910406955.XA Pending CN110086000A (en) | 2019-05-15 | 2019-05-15 | A kind of wide bandwidth scan angle phased array antenna |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111162379A (en) * | 2019-12-31 | 2020-05-15 | 上海微波技术研究所（中国电子科技集团公司第五十研究所） | Polarization adjustable antenna array based on double-layer patch antenna |
| US20220216896A1 (en) * | 2021-01-06 | 2022-07-07 | Lynk Global, Inc. | Satellite Communication System Transmitting Navigation Signals Using a Wide Beam and Data Signals Using a Directive Beam |
| US11876601B2 (en) | 2017-04-26 | 2024-01-16 | Lynk Global, Inc. | Method and apparatus for handling communications between spacecraft operating in an orbital environment and terrestrial telecommunications devices that use terrestrial base station communications |
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| CN107204517A (en) * | 2017-04-07 | 2017-09-26 | 广东精点数据科技股份有限公司 | Airborne two-band Shared aperture phased array antenna and method of structuring the formation |
| CN108134203A (en) * | 2017-07-28 | 2018-06-08 | 电子科技大学 | Big unit spacing large-angle scanning phased array antenna based on electromagnetic bandgap structure |
| CN109638438A (en) * | 2018-12-12 | 2019-04-16 | 中国船舶重工集团公司第七二四研究所 | A kind of ultra wide band phased array antenna reducing airspace polarization distortion |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0497702A1 (en) * | 1991-02-01 | 1992-08-05 | Alcatel Espace | Radiating element structure for a plate antenna |
| CN101682122A (en) * | 2007-03-30 | 2010-03-24 | 平衍技术公司 | High gain steerable phased-array antenna |
| CN103985970A (en) * | 2014-04-28 | 2014-08-13 | 零八一电子集团有限公司 | Distribution method capable of restraining grating lobes of large-space phased-array antenna |
| CN104810614A (en) * | 2015-03-20 | 2015-07-29 | 西北工业大学 | Device for enhancing phased array wide angle scanning gain |
| RU161594U1 (en) * | 2015-06-30 | 2016-04-27 | Акционерное общество "Федеральный научно-производственный центр "Нижегородский научно-исследовательский институт радиотехники" | Fragment of a multi-element controlled strip of a phased antenna array L RANGE |
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| CN106207494A (en) * | 2016-08-15 | 2016-12-07 | 西安电子科技大学 | A kind of minimized wide-band low profile antenna array |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11876601B2 (en) | 2017-04-26 | 2024-01-16 | Lynk Global, Inc. | Method and apparatus for handling communications between spacecraft operating in an orbital environment and terrestrial telecommunications devices that use terrestrial base station communications |
| CN111162379A (en) * | 2019-12-31 | 2020-05-15 | 上海微波技术研究所（中国电子科技集团公司第五十研究所） | Polarization adjustable antenna array based on double-layer patch antenna |
| CN111162379B (en) * | 2019-12-31 | 2023-04-07 | 上海微波技术研究所（中国电子科技集团公司第五十研究所） | Polarization adjustable antenna array based on double-layer patch antenna |
| US20220216896A1 (en) * | 2021-01-06 | 2022-07-07 | Lynk Global, Inc. | Satellite Communication System Transmitting Navigation Signals Using a Wide Beam and Data Signals Using a Directive Beam |
| US11863250B2 (en) * | 2021-01-06 | 2024-01-02 | Lynk Global, Inc. | Satellite communication system transmitting navigation signals using a wide beam and data signals using a directive beam |
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Application publication date: 20190802 |